cektos.dk is a .dk domain served by 2 nameservers (ns1.dnsserver.dk, ns2.dnsserver.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.123 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.dnsserver.dk | — | — | — |
| ns2.dnsserver.dk | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.21.41.123 | — | prolinux6.curanet.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 1 | — | aspmx.l.google.com | 173.194.73.26 | — | AS15169 Google LLC |
| 5 | — | alt1.aspmx.l.google.com | 192.178.211.26 | lcbomp-in-f26.1e100.net | AS15169 Google LLC |
| 5 | — | alt2.aspmx.l.google.com | 142.250.147.26 | rd-in-f26.1e100.net | AS15169 Google LLC |
| 10 | — | aspmx2.googlemail.com | 172.253.152.27 | yulpptr-in-f27.1e100.net | AS15169 Google LLC |
| 10 | — | aspmx3.googlemail.com | 192.178.158.26 | lcdels-in-f26.1e100.net | AS15169 Google LLC |
| TXT Record |
|---|
| brevo-code:929198aafab13a1b08e0c1d064e94597 |
| google-site-verification=xrei6gtofowcyv_ehofchqtaqkaavjt_dtaoyxbotbo |
| Policy | Record (_dmarc.cektos.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com |
| www | 185.21.41.123 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~1024 bit below 2048 bit | |
| s1 | s1.domainkey.u44840333.wl084.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u44840333.wl084.sendgrid.net | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026011502 |
| Primary NS (MNAME) | ns1.dnsserver.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 10:32:59 | 544ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-10-01 04:01:49 | 578ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-09-25 12:23:31 | 607ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-09-13 18:00:19 | 742ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-27 03:18:01 | 1822ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-24 22:43:47 | 753ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-16 21:07:40 shown | 65535ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-16 20:08:30 | 2229ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-16 20:06:27 | 528ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-16 20:00:16 | 1865ms | 2 NS 1 A 5 MX | 🔒 Secure |